On Wed, 9 Mar 2011 12:57:26 +0000 Mauro <mrsan...@gmail.com> wrote: > I my logs I have: > > > Feb 13 06:27:57 mail1-xen postfix/qmgr[8336]: BF683A28247: > from=<..............> > > That number BF683A28247 is a unique number? Yes and no. It is unique in a timespan. If you use logrotate(8) it is probably unique for you, depending on your configuration.
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